diff options
Diffstat (limited to 'system/gcc/backport-r268048-memcpy-bounds.patch')
| -rw-r--r-- | system/gcc/backport-r268048-memcpy-bounds.patch | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/system/gcc/backport-r268048-memcpy-bounds.patch b/system/gcc/backport-r268048-memcpy-bounds.patch new file mode 100644 index 000000000..eebecd832 --- /dev/null +++ b/system/gcc/backport-r268048-memcpy-bounds.patch @@ -0,0 +1,21 @@ +https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88273 + +GCC 8.2+ fails to build 32-bit PowerPC kernel due to this. + +--- trunk/gcc/gimple-ssa-warn-restrict.c 2019/01/17 16:33:55 268037 ++++ trunk/gcc/gimple-ssa-warn-restrict.c 2019/01/17 22:52:47 268048 +@@ -319,13 +319,9 @@ + offrange[0] += offset_int::from (min, SIGNED); + offrange[1] += offset_int::from (max, SIGNED); + } +- else if (rng == VR_ANTI_RANGE) +- { +- offrange[0] += offset_int::from (max + 1, SIGNED); +- offrange[1] += offset_int::from (min - 1, SIGNED); +- } + else + { ++ /* Handle an anti-range the same as no range at all. */ + gimple *stmt = SSA_NAME_DEF_STMT (offset); + tree type; + if (is_gimple_assign (stmt) |